Measurement techniques for characterizing and using low background germanium detectors

Zimmer, W.H.; Wagner, S.

doi:10.1016/0167-5087(84)90684-7

Cited by 10 publications

(2 citation statements)

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“…The effect of 222 Rn on the instrumental background with suppression coefficient K b > 100-150 has been noted in several works, including [3,4]. Our data make it possible to obtain a quantitative estimate of the contribution of radon to the formation of the background of the gamma spectrometric setups.…”

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confidence: 71%

“…The interior shielding has only a small opening at the bottom for the cold duct of the detector's cryostat. On the basis of experiments [3,4], in both setups the air cavity inside the shielding can be cleaned by evaporating liquid nitrogen (less than 1 m 3 of gaseous nitrogen forms per day). The background of the setups was measured periodically with spectrum acquisition times at least 40 h and constant temperature and air-exchange regimes.…”

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confidence: 99%

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Components of the background of Ge(Li) and Ge detectors in passive shielding

et al. 2007

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The components of the background of a Ge(Li) detector and an ultrapure Ge detector in gamma spectrometers in passive shielding with a special design were studied in a ground-surface laboratory in 1996-2006. The measurement time varied from 45 to 240 h. The background for the detectors is due to radionuclides in the shielding material and cavities in the shielding and the detector materials themselves. Special attention is devoted to the study of the time dependence found for the background of the daughter of products of 222 Rn decay, including the 46.5 keV peak of 210 Pb.

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confidence: 71%

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confidence: 99%